You can be obsessed by remorse all your life, not because you chose the wrong thing- you can always repent, atone : but because you never had the chance to prove to yourself that you would have chosen the right thing.

To establish what is true is very difficult. Frequently it is easier to establish what is false. And, passing through the false, it's possible to understand something about truth.

Books are not made to be believed, but to be subjected to inquiry. When we consider a book, we mustn't ask ourselves what it says but what it means.

Then why do you want to know?" "Because learning does not consist only of knowing what we must or we can do, but also of knowing what we could do and perhaps should not do.

The cultivated person's first duty is to be always prepared to rewrite the encyclopedia.

We invented the car, and it made it easier for us to crash and die. If I gave a car to my grandfather, he would die in five minutes, while I have grown up slowly to accept speed.

But Italy is not an intellectual country. On the subway in Tokyo everybody reads. In Italy, they don't. Don't evaluate Italy from the fact that it produced Raphael and Michelangelo.